The equations of the directrices of the ellipse
\( \mathrm{P}^{17: ...
The equations of the directrices of the ellipse
\( \mathrm{P}^{17: 0} \) \( 16 x^{2}+25 y^{2}=400 \) are:
W
(1) \( 2 x= \pm 25 \)
(2) \( 5 x= \pm 9 \)
(3) \( 3 x= \pm 10 \)
(4) None of these
š²PW App Link - https://bit.ly/YTAI_PWAP
šPW Website - https://www.pw.live
Other Videos By PW Solutions
| 2023-04-07 | The length of the latus rectum of the ellipse
P \( 9 x^{2}+14 y^{2}... |
| 2023-04-07 | In an ellipse the distance between its foci is 6 and its
\( \mathrm... |
| 2023-04-07 | An ellipse is described by using an endless string
\( \mathrm{P}^{1... |
| 2023-04-07 | If \( P \equiv(x, y), F_{1} \equiv(3,0), F_{2} \equiv(-3,0) \) and
... |
| 2023-04-07 | Equation of the ellipse with eccentricity \( \frac{1}{2} \) and foc... |
| 2023-04-07 | In the ellipse, minor axis is 8 and eccentricity is
\( \mathrm{P}^{... |
| 2023-04-07 | The centre of an ellipse is \( C \) and \( P N \) is any ordinate
\... |
| 2023-04-07 | Eccentric angle of a point on the ellipse \( x^{2}+3 y^{2}=6 \)
\( ... |
| 2023-04-07 | If the focal distance of an end of minor axis of any
\( \mathrm{P} ... |
| 2023-04-07 | Eccentricity of the conic \( 16 x^{2}+7 y^{2}=112 \) is:
\( \mathrm... |
| 2023-04-07 | The equations of the directrices of the ellipse
\( \mathrm{P}^{17: ... |
| 2023-04-07 | If the eccentricity of an ellipse be \( \frac{1}{\sqrt{2}} \), then... |
| 2023-04-07 | If \( P Q R \) be an equilateral triangle in the auxiliary
\( \math... |
| 2023-04-07 | The eccentric angles of the extremities of latus recta
\( \mathrm{P... |
| 2023-04-07 | The position of the point \( (4,-3) \) with respect to the
\( \math... |
| 2023-04-07 | A line of fixed length \( a+b \) moves so that its ends
\( \mathrm{... |
| 2023-04-07 | Let \( P \) be a point on the ellipse \( \frac{x^{2}}{a^{2}}+\frac{... |
| 2023-04-07 | If \( x, y \in R \), satisfies the equation \( \frac{(x-4)^{2}}{4}+... |
| 2023-04-07 | A series of concentric ellipse \( E_{1}, E_{2}, \ldots . E_{n} \) a... |
| 2023-04-07 | With a given point and line as focus and directrix, a
\( \mathrm{P}... |
| 2023-04-07 | If the line joining foci subtends an angle of \( 90^{\circ} \) at a... |
0